Finding the Fourth Proportional to 1,116,269.99, 1,673,421.94 and 442,824.24
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Solution
The fourth proportional to 1,116,269.99, 1,673,421.94 and 442,824.24 is: 663,846.39
Step by Step Solution
- Step 1: Write the proportion equation
1,116,269.99 : 1,673,421.94 = 442,824.24 : x - Step 2: Convert to fraction form
1,116,269.99/1,673,421.94 = 442,824.24/x - Step 3: Cross multiply
1,116,269.99x = 1,673,421.94 × 442,824.24 - Step 4: Simplify right side
1,116,269.99x = 741,031,796,565.71 - Step 5: Solve for x
x = 741,031,796,565.71/1,116,269.99 - Step 6: Final answer
x = 663,846.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.